CA2073420A1 - Procede de separation par membrane - Google Patents

Procede de separation par membrane

Info

Publication number: CA2073420A1
Authority: CA; Canada
Prior art keywords: membrane; charge; pressure; retentate; water
Prior art date: 1991-11-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002073420A

Other languages

English (en)

Inventor

Mordechai Pasternak

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Texaco Development Corp

Original Assignee

Texaco Development Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-11-18

Filing date

1992-07-09

Publication date

1993-05-19

1992-07-09 Application filed by Texaco Development Corp filed Critical Texaco Development Corp

1993-05-19 Publication of CA2073420A1 publication Critical patent/CA2073420A1/fr

Status Abandoned legal-status Critical Current

Links

239000012528 membrane Substances 0.000 title claims abstract description 80
238000000926 separation method Methods 0.000 title abstract description 17
239000007864 aqueous solution Substances 0.000 claims abstract description 27
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 22
-1 poly(carbonyl chloride) Polymers 0.000 claims abstract description 21
238000005373 pervaporation Methods 0.000 claims abstract description 18
239000005056 polyisocyanate Substances 0.000 claims abstract description 7
229920001228 polyisocyanate Polymers 0.000 claims abstract description 7
238000000034 method Methods 0.000 claims description 63
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
239000012466 permeate Substances 0.000 claims description 42
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
239000001301 oxygen Substances 0.000 claims description 30
229910052760 oxygen Inorganic materials 0.000 claims description 30
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 25
239000012465 retentate Substances 0.000 claims description 24
239000003431 cross linking reagent Substances 0.000 claims description 22
230000003247 decreasing effect Effects 0.000 claims description 19
239000007788 liquid Substances 0.000 claims description 16
229920000642 polymer Polymers 0.000 claims description 16
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 11
229920002873 Polyethylenimine Polymers 0.000 claims description 11
239000007791 liquid phase Substances 0.000 claims description 10
239000012808 vapor phase Substances 0.000 claims description 10
YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 8
DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 7
229920005862 polyol Polymers 0.000 claims description 5
150000003077 polyols Chemical class 0.000 claims description 5
150000002576 ketones Chemical class 0.000 claims description 4
125000003158 alcohol group Chemical group 0.000 claims description 3
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
PUIBKAHUQOOLSW-UHFFFAOYSA-N octanedioyl dichloride Chemical group ClC(=O)CCCCCCC(Cl)=O PUIBKAHUQOOLSW-UHFFFAOYSA-N 0.000 claims description 3
MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical group O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 claims description 2
125000003172 aldehyde group Chemical group 0.000 claims description 2
150000001299 aldehydes Chemical class 0.000 claims description 2
FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical group ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims description 2
125000005442 diisocyanate group Chemical group 0.000 claims description 2
125000003827 glycol group Chemical group 0.000 claims description 2
150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
230000008569 process Effects 0.000 description 31
239000000243 solution Substances 0.000 description 20
238000004132 cross linking Methods 0.000 description 10
230000004907 flux Effects 0.000 description 10
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
239000000203 mixture Substances 0.000 description 9
239000002131 composite material Substances 0.000 description 7
238000004821 distillation Methods 0.000 description 7
150000002430 hydrocarbons Chemical class 0.000 description 7
229920002239 polyacrylonitrile Polymers 0.000 description 7
235000019441 ethanol Nutrition 0.000 description 6
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
229920000728 polyester Polymers 0.000 description 6
239000004372 Polyvinyl alcohol Substances 0.000 description 5
229920002451 polyvinyl alcohol Polymers 0.000 description 5
IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
239000004215 Carbon black (E152) Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
229930195733 hydrocarbon Natural products 0.000 description 4
229920002492 poly(sulfone) Polymers 0.000 description 4
238000001223 reverse osmosis Methods 0.000 description 4
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
229920001744 Polyaldehyde Polymers 0.000 description 3
DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
125000002947 alkylene group Chemical group 0.000 description 3
125000003118 aryl group Chemical group 0.000 description 3
125000000732 arylene group Chemical group 0.000 description 3
125000004432 carbon atom Chemical group C* 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
239000004744 fabric Substances 0.000 description 3
239000012948 isocyanate Substances 0.000 description 3
150000002513 isocyanates Chemical class 0.000 description 3
239000000463 material Substances 0.000 description 3
125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 3
239000011148 porous material Substances 0.000 description 3
239000000376 reactant Substances 0.000 description 3
BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 2
KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
229920013683 Celanese Polymers 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical group C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 description 2
239000004202 carbamide Substances 0.000 description 2
RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
125000002993 cycloalkylene group Chemical group 0.000 description 2
230000018044 dehydration Effects 0.000 description 2
238000006297 dehydration reaction Methods 0.000 description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
239000012530 fluid Substances 0.000 description 2
238000010406 interfacial reaction Methods 0.000 description 2
ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
230000035699 permeability Effects 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
239000004033 plastic Substances 0.000 description 2
239000000047 product Substances 0.000 description 2
238000001179 sorption measurement Methods 0.000 description 2
125000006850 spacer group Chemical group 0.000 description 2
239000000126 substance Substances 0.000 description 2
150000003512 tertiary amines Chemical class 0.000 description 2
PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
125000006832 (C1-C10) alkylene group Chemical group 0.000 description 1
VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical group CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
SFRDXVJWXWOTEW-UHFFFAOYSA-N 2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)CO SFRDXVJWXWOTEW-UHFFFAOYSA-N 0.000 description 1
NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
229920002396 Polyurea Polymers 0.000 description 1
229920002125 Sokalan® Polymers 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
AEGBQXHFDJGYBR-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride benzene-1,4-dicarbonyl chloride 1,6-diisocyanatohexane Chemical compound C(C1=CC=C(C(=O)Cl)C=C1)(=O)Cl.C(C1=CC(C(=O)Cl)=CC=C1)(=O)Cl.C(CCCCCN=C=O)N=C=O AEGBQXHFDJGYBR-UHFFFAOYSA-N 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
238000005266 casting Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
125000000753 cycloalkyl group Chemical group 0.000 description 1
125000004977 cycloheptylene group Chemical group 0.000 description 1
125000004956 cyclohexylene group Chemical group 0.000 description 1
125000004978 cyclooctylene group Chemical group 0.000 description 1
238000010612 desalination reaction Methods 0.000 description 1
125000000950 dibromo group Chemical group Br* 0.000 description 1
229920006332 epoxy adhesive Polymers 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
230000009477 glass transition Effects 0.000 description 1
235000011187 glycerol Nutrition 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical group O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
238000007689 inspection Methods 0.000 description 1
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
239000004584 polyacrylic acid Substances 0.000 description 1
229920000768 polyamine Polymers 0.000 description 1
239000002952 polymeric resin Substances 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
229920002717 polyvinylpyridine Polymers 0.000 description 1
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
235000019260 propionic acid Nutrition 0.000 description 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
238000005086 pumping Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000000600 sorbitol Substances 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
150000003457 sulfones Chemical class 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
125000005628 tolylene group Chemical group 0.000 description 1
238000000108 ultra-filtration Methods 0.000 description 1
125000006839 xylylene group Chemical group 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/362—Pervaporation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Water Supply & Treatment (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CA002073420A 1991-11-18 1992-07-09 Procede de separation par membrane Abandoned CA2073420A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/793,900 US5160046A (en)	1991-11-18	1991-11-18	Membrane separation process
US07/793,900		1991-11-18

Publications (1)

Publication Number	Publication Date
CA2073420A1 true CA2073420A1 (fr)	1993-05-19

Family

ID=25161109

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002073420A Abandoned CA2073420A1 (fr)	1991-11-18	1992-07-09	Procede de separation par membrane

Country Status (4)

Country	Link
US (1)	US5160046A (fr)
EP (1)	EP0543574A3 (fr)
JP (1)	JPH05245344A (fr)
CA (1)	CA2073420A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5585527A (en) *	1994-10-31	1996-12-17	Uop	Continuous distillation and membrane process
US5614065A (en) *	1994-10-31	1997-03-25	Uop	Distillation with membrane apparatus
US5571310A (en) *	1995-05-12	1996-11-05	Gilbarco Inc.	Volatile organic chemical tank ullage pressure reduction
US5843212A (en) *	1995-05-12	1998-12-01	Gilbarco Inc.	Fuel tank ullage pressure reduction
FR2858247B1 (fr) *	2003-07-30	2005-09-09	Inst Francais Du Petrole	Procede de traitement de gaz par une solution de glycol filtree
US8017016B2 (en) *	2006-07-07	2011-09-13	Sims Carl W	Method and apparatus for pervaporation control in chromatographic systems
US8128826B2 (en)	2007-02-28	2012-03-06	Parker Filtration Bv	Ethanol processing with vapour separation membranes
US20090117631A1 (en) *	2007-11-02	2009-05-07	Pierre Lucien Cote	Alcohol extraction process for biofuel production
US20090246848A1 (en) *	2008-04-01	2009-10-01	Gaetan Noel	Process and apparatus for dewatering cellulosic fermentation products
US20090301970A1 (en) *	2008-06-09	2009-12-10	Gaetan Noel	Ethanol plant retrofit with vapour separation membranes
FR2943558B1 (fr) *	2009-03-30	2011-04-08	Centre Nat Rech Scient	Membrane polymere dynamique autosupportee,procede de preparation et utilisations.
EA026762B1 (ru) *	2009-08-24	2017-05-31	Оасис Уотер, Инк.	Прямоосмотическая мембрана
WO2011069050A1 (fr)	2009-12-03	2011-06-09	Yale University	Membranes composites à film mince pour osmose directe à haut débit et membranes à pression osmotique retardée
KR20130101533A (ko)	2010-10-04	2013-09-13	오아시스 워터, 인크.	박막 필름 복합 열 교환기
US8430949B2 (en)	2011-03-25	2013-04-30	Idex Health & Science Llc	Apparatus for pervaporation control in liquid degassing systems
US8440003B2 (en)	2011-03-25	2013-05-14	Idex Health & Science, Llc	Apparatus for pervaporation control in liquid degassing systems
US8668763B2 (en)	2011-03-25	2014-03-11	Idex Health & Science Llc	Apparatus for pervaporation control in liquid degassing systems
CN113041840B (zh) *	2019-12-27	2022-03-04	沃顿科技股份有限公司	纳滤膜的制备方法和由此制备的纳滤膜

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4659590A (en) *	1985-06-19	1987-04-21	United States Department Of Energy	Pervaporation separation of ethanol-water mixtures using polyethylenimine composite membranes
US4865745A (en) *	1988-05-02	1989-09-12	Texaco Inc.	Method of treating dilute aqueous solutions
US5049167A (en) *	1989-12-13	1991-09-17	Membrane Technology & Research, Inc.	Multilayer interfacial composite membrane
US5032278A (en) *	1990-08-06	1991-07-16	Texaco Inc.	Process for dehydration of organic oxygenates

1991
- 1991-11-18 US US07/793,900 patent/US5160046A/en not_active Expired - Fee Related
1992
- 1992-07-09 CA CA002073420A patent/CA2073420A1/fr not_active Abandoned
- 1992-11-13 EP EP19920310371 patent/EP0543574A3/en not_active Withdrawn
- 1992-11-18 JP JP4331227A patent/JPH05245344A/ja active Pending

Also Published As

Publication number	Publication date
EP0543574A3 (en)	1993-07-21
US5160046A (en)	1992-11-03
EP0543574A2 (fr)	1993-05-26
JPH05245344A (ja)	1993-09-24

Legal Events

Date	Code	Title	Description
1999-03-11	EEER	Examination request
2000-07-10	FZDE	Discontinued

Publication	Publication Date	Title
US5160046A (en)	1992-11-03	Membrane separation process
US5139677A (en)	1992-08-18	Membrane separation method
EP0307636B1 (fr)	1991-12-27	Procédé de déshydration de glycoles utilisant une membrane
EP0439905B1 (fr)	1994-03-16	Séparation de courants de furfural/distillat moyen
US4865745A (en)	1989-09-12	Method of treating dilute aqueous solutions
EP0425108B1 (fr)	1996-06-26	Déshydratation d'oxygénates organiques
US5143620A (en)	1992-09-01	Membrane separation process
EP0470699B1 (fr)	1994-10-05	Procédé de déshydratation de solvants de déparaffinage d'une huile lubrifiante à l'aide d'une membrane
EP0584411B1 (fr)	1996-04-24	Séparation d'oxygénates organiques
US5192445A (en)	1993-03-09	Membrane suitable for the dehydration of organic oxygenates
US5456839A (en)	1995-10-10	Method of dehydrating organic oxygenates
EP0499728A1 (fr)	1992-08-26	Procédé de déparaffinage par solvant
US5147549A (en)	1992-09-15	Membrane separation process
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